1011442141 has 2 divisors, whose sum is σ = 1011442142. Its totient is φ = 1011442140.

The previous prime is 1011442139. The next prime is 1011442147. The reversal of 1011442141 is 1412441101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 819619641 + 191822500 = 28629^2 + 13850^2 .

It is an emirp because it is prime and its reverse (1412441101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011442141 - 2¹ = 1011442139 is a prime.

Together with 1011442139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011442147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505721070 + 505721071.

It is an arithmetic number, because the mean of its divisors is an integer number (505721071).

Almost surely, 2^1011442141 is an apocalyptic number.

It is an amenable number.

1011442141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011442141 is an equidigital number, since it uses as much as digits as its factorization.

1011442141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1011442141 is about 31803.1781587941. The cubic root of 1011442141 is about 1003.7995918172.

Adding to 1011442141 its reverse (1412441101), we get a palindrome (2423883242).

It can be divided in two parts, 101144 and 2141, that added together give a triangular number (103285 = T₄₅₄).

The spelling of 1011442141 in words is "one billion, eleven million, four hundred forty-two thousand, one hundred forty-one".